The equation `sin^6 + cos^6 = a^2` has real solution if

The equation sin^6x + cos^6x = a^2 has real solution then find the values of a

The equation sin^(6)x+cos^(6)x=a^(2) has real solutions if

The equation sin^(6)x+cos^(6)x=a , has a real solution if

The equation sin^6 x + cos^6 x = k possesses solution if

Show that the equation sin x(sin x+cos x)=a has real solution if and only if a is a real number lying between (1)/(2)(1-sqrt(2)) and (1)/(2)(1+sqrt(2))

If the equation sin x(sin x + cos x)=k has real solutions then k may lie in the interval

The equation sin^(6)x+cos^(6)x=2 will have a solution if

The range of 'y,such that the equation in X,y+cos x=sin x has a real solution is

The range of y such that the equation in x , y cos x = sin x has a real solution is